UK Labour Party
But reports claim the PM is concerned he may lose his own seat.
Labour is on course for a majority of 210 seats as Conservative support collapses.
Poll findings cast doubt on the Tories' election campaign strategy.
Labour has more than a 99% chance of beating Tony Blair's performance nearly 30 years ago.
A blame game has started just days before voters go to the polls.
"No – no, no, no, no," Matt Barbet said as soon as Maria Caulfield began.
The Labour leader says he wants to spend time with his family at the weekend.
The main target of festival-goers' mockery? The Tories, of course.
The prime minister says a Labour government will rig the voting system to keep them in power for decades.
It is the first time it has done so since Tony Blair was prime minister.